Adaptive Significance of Flexistyly in Alpinia blepharocalyx (Zingiberaceae): A Hand-pollination Experiment | Zendy

Shan Sun | Zendy; Jingru Gao | Zendy; WanJin Liao | Zendy; Q.-J. Li | Zendy; D.-Y. Zhang | Zendy

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Adaptive Significance of Flexistyly in Alpinia blepharocalyx (Zingiberaceae): A Hand-pollination Experiment

Author(s) -

Shan Sun,

Jingru Gao,

WanJin Liao,

Q.-J. Li,

D.-Y. Zhang

Publication year - 2006

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mcl292

Subject(s) - biology , pollination , pollen , outcrossing , botany , self pollination , morning , dioecy

Flexistyly is a sexual dimorphism where there are two morphs that differ in the temporal expression of sexual function and also involve reciprocal movement of the stigmatic surface through a vertical axis during the flowering period. The adaptive significance of flexistyly has been interpreted as a floral mechanism for outcrossing, but it may also function to reduce sexual interference in which styles and stigmas impede the pollen export. Here these two explanations of flexistyly were tested in Alpinia blepharocalyx through a hand-pollination experiment.

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